package com.elm.controller;

import java.io.IOException;

import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.servlet.http.HttpSession;

import com.elm.model.User;
import com.elm.service.FavoriteService;
import com.elm.serviceimpl.FavoriteServiceImpl;

public class ChangeFavoriteController extends HttpServlet{
	FavoriteService fservices = new FavoriteServiceImpl();
	@Override
	protected void doGet(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {
		// TODO Auto-generated method stub
		doPost(req, resp);
	}
	@Override
	protected void doPost(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {
		// TODO Auto-generated method stub
		req.setCharacterEncoding("utf8");
		int flag = Integer.parseInt(req.getParameter("flag"));
		HttpSession session = req.getSession();
		int userid = ((User)session.getAttribute("currentUser")).getUserid();
		int sellerid = Integer.parseInt(req.getParameter("id"));
		if(flag==0){
			fservices.addFavorite(userid, sellerid);
		}else{
			fservices.deleteFavorite(userid, sellerid);
		}
		req.getRequestDispatcher("showfood?sellerid="+sellerid+"").forward(req, resp);;
	}
}
